The illegal immigrant arrested for Wednesday’s murder of a California officer has been identified as a member of a Mexican-American street gang with a long history of violence.

The illegal immigrant wanted by police in California for the murder of a beloved officer at a traffic stop may have connections to a Mexican-American street gang, according to an image of him ...

Thirty-one suspected Sureño members and associates were arrested in connection with a years-long federal and state investigation into the Southern California-based gang.